biology : class11 Scientific Naming : Importance of Classification, Basis of Classification, Advantages of Classification : Need for Classification MCQ Questions and Answers
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Scientific Naming
MCQ questions and answers.
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MCQ Questions
1. What is the scientific naming system in which each organism is given two names called?
A.
Binomial nomenclature
B.
Trinomial nomenclature
C.
Polynomial nomenclature
D.
Common nomenclature
Correct Answer:
Binomial nomenclature
Explanation:
Binomial nomenclature is the scientific naming system that gives each organism two names.
2. Which two parts make up the scientific name of an organism?
A.
Family and order
B.
Genus and species
C.
Class and family
D.
Kingdom and phylum
Correct Answer:
Genus and species
Explanation:
A scientific name consists of the genus name followed by the specific epithet.
3. In the scientific name Homo sapiens, which word represents the genus?
A.
Homo
B.
sapiens
C.
Homo sapiens
D.
Human
Correct Answer:
Homo
Explanation:
In a binomial name, the first word is the genus name, so Homo represents the genus.
4. In the scientific name Mangifera indica, which word is written second?
A.
Mangifera
B.
indica
C.
Mango
D.
Plantae
Correct Answer:
indica
Explanation:
The second word in a binomial name is the specific epithet, which is indica in Mangifera indica.
5. How should a scientific name generally be written when it is printed?
A.
In bold letters
B.
In italics
C.
In capital letters only
D.
Inside quotation marks
Correct Answer:
In italics
Explanation:
Scientific names are conventionally printed in italics to distinguish them from surrounding text.
6. When a scientific name is handwritten, how is it usually shown?
A.
By underlining both words separately
B.
By writing both words in capital letters
C.
By placing it in brackets
D.
By writing only the genus name
Correct Answer:
By underlining both words separately
Explanation:
When handwritten, each word of a scientific name is underlined separately as an alternative to italics.
7. Which capitalization rule is correct for a scientific name?
A.
Both words begin with capital letters
B.
The genus begins with a capital letter and the specific epithet with a small letter
C.
The genus begins with a small letter and the specific epithet with a capital letter
D.
Both words are written in small letters
Correct Answer:
The genus begins with a capital letter and the specific epithet with a small letter
Explanation:
In binomial nomenclature, the genus name starts with a capital letter, while the specific epithet starts with a lowercase letter.
8. Which of the following is correctly written as a scientific name?
A.
mangifera Indica
B.
Mangifera Indica
C.
Mangifera indica
D.
MANGIFERA INDICA
Correct Answer:
Mangifera indica
Explanation:
The correct form has a capitalized genus, a lowercase specific epithet, and two words forming the binomial name.
9. Why are scientific names useful throughout the world?
A.
They are different in every language
B.
They provide a universal way to identify organisms
C.
They are always shorter than common names
D.
They describe only the habitat of an organism
Correct Answer:
They provide a universal way to identify organisms
Explanation:
Scientific names reduce confusion caused by different common names in different languages and regions.
10. Who is commonly credited with introducing binomial nomenclature?
A.
Charles Darwin
B.
Carolus Linnaeus
C.
Gregor Mendel
D.
Robert Hooke
Correct Answer:
Carolus Linnaeus
Explanation:
Carolus Linnaeus is widely known for establishing the binomial system of scientific naming.
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